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Re: [zzdev] :gzz: Corner lists (wuz Re: [zzdev] Re: [zzdev] Direct ion and name of d.cursor
- To: ted@xxxxxxxxxx
- Subject: Re: [zzdev] :gzz: Corner lists (wuz Re: [zzdev] Re: [zzdev] Direct ion and name of d.cursor
- From: Tuukka Hastrup <Tuukka.Hastrup@xxxxxx>
- Date: Tue, 11 Jul 2000 15:48:50 +0300 (EEST)
- Cc: zzdev@xxxxxxxxxx
- In-reply-to: <188.8.131.52.20000711213938.0087b9a0@xxxxxxxxxxxxxxxxxxx>
On 11 Jul, Ted Nelson wrote:
>>Actually, we often write this like
>> |heading|-| + |
>> |chapter 1|
>> |chapter 2|
>> |chapter 3|
>>i.e. inserting a dummy cell *exactly* because of this. This is called
>>a corner list. At this point, all chapters are headcells.
This practise is good to know.
> This is not necessarily the only form of a corner list--
> it's a corner list with an empty cell at the top, making it easier
> to rearrange.
> As soon as we have the Chug operation, that empty cell will
> be less necessary.
Without the empty cell, how do you actually know it's a corner list?
Do I get this right: headcell is the negend cell, unless the negend
cell is blank. When the negend cell is blank, it's a corner list and
the headcell is something else? And what then? If we are to show the
headcell somehow differently, we should have an exact way to define it.